The Shinsengumi were founded to keep peace in Kyoto, and for a good reason. With the rise of the Sat-Cho Alliance and their efforts to bring down the the shogunate, the fighting force in blue haoris are going to have their hands full.
The Shinsengumi, keepers 
of the peace in Kyoto.
El Shinsengumi,
guardianes de la paz de Kyoto.
Shinsengumi, aqueles que
protegem a paz de Quioto.